> ## Documentation Index
> Fetch the complete documentation index at: https://docs.maesn.com/llms.txt
> Use this file to discover all available pages before exploring further.

# DATEV RechnungsdatenService v1.0

> Documentation for setting up RechnungsDatenService v1.0 in your DATEV instance

<Steps>
  <Step stepNumber="0" title="Verify that prerequisites are met" titleSize="h3">
    * You have an existing DATEV client (Mandant) and you have created a fiscal year for it
    * DATEV Unternehmen Online is enabled
    * The DATEV app Belege Online is activated in `erweitert` mode.
    * You have a SmartCard or SmartLogin with access rights for Mandantenregistrierung
  </Step>

  <Step stepNumber="1" title="Open MyDATEV Mandantenregistrierung" titleSize="h3">
    From the client overview, select the client and click "MyDATEV Mandantenregistrierung"

    <img src="https://mintcdn.com/maesn/7NLnMUKhO0xLsmDN/images/datev-mandantenregistrierung.png?fit=max&auto=format&n=7NLnMUKhO0xLsmDN&q=85&s=f8863bbac4a131b8f6938f1afe5cc538" alt="Image showing DATEV client overview with link to Mandantenregistrierung" width="2045" height="1079" data-path="images/datev-mandantenregistrierung.png" />
  </Step>

  <Step stepNumber="2" title="Order RechnungsdatenService v1.0" titleSize="h3">
    Order RechnungsdatenService v1.0

    <img src="https://mintcdn.com/maesn/7NLnMUKhO0xLsmDN/images/datev-order-rechnungsdatenservice.png?fit=max&auto=format&n=7NLnMUKhO0xLsmDN&q=85&s=7f8659b52f8336bb08654c846f366094" alt="Image showing service selection in Mandantenregistrierung" width="2047" height="1023" data-path="images/datev-order-rechnungsdatenservice.png" />
  </Step>

  <Step stepNumber="3" title="Finalise order" titleSize="h3">
    Choose whether to create a new consultant number or use an existing one. Finalise the order.
  </Step>

  <Step stepNumber="4" title="Assign access rights" titleSize="h3">
    * Open [DATEV Rechtevewaltung Online](https://apps.datev.de/rvo-administration/)
    * Select the user, client or group that you want to assign the access rights for ExportdatenService
    * Open "Rechnungswesen" and give access to "RechnungsdatenService"
    * Assign the access right to the correct berater number and client number that corresponds to the client (Mandant)

    <img src="https://mintcdn.com/maesn/7NLnMUKhO0xLsmDN/images/datev-rechteverwaltung-rechnungsdatenservice.png?fit=max&auto=format&n=7NLnMUKhO0xLsmDN&q=85&s=75e47e7591a7f32c654b717515375227" alt="Image showing service selection in Mandantenregistrierung" width="1905" height="1176" data-path="images/datev-rechteverwaltung-rechnungsdatenservice.png" />
  </Step>
</Steps>